| April 2018 | ||
| 04-20-18 | The alliance TCOE (today: T~A) was founded. | |
Founding members::  Oops and Leroyyy Jenkins. | ||
 The alliance reaches a population more than 100. | ||
| 04-27-18 | The alliance is now known as TA. | |
| Deletion of:Leroyyy Jenkins. | ||
| May 2018 | ||
| 05-06-18 | The alliance is now known as T~A. | |
| 05-07-18 | The alliance is now known as TA. | |
| 05-20-18 | The alliance reaches a population more than 1,000. | |
| June 2018 | ||
| 06-09-18 | The alliance is now known as T~A. | |
| July 2018 | ||
| 07-23-18 | Deletion of:Oops. | |
| The alliance T~A was canceled. | ||